Hypselodoris zephyra is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.
Hypselodoris zephyra has a white body with black striated lines running all over the body and upper dorsum. The mantle and foot have a purple marginal line. The gills and rhinophores are orange-red with white tips. This species can reach a total length of at least 20 mm (0.79 in) and feeds on blue sponges from the genus Dysidea. It is similar in colour pattern to Hypselodoris nigrostriata.
This nudibranch was described from Madang, Papua New Guinea. It is found in the Western and Central Pacific Ocean.
